Revert of Finish conversion to sk_sp<SkShader> (patchset #2 id:20001 of https://codereview.chromium.org/1803763002/ )

Reason for revert:
need to update cmake build example

Original issue's description:
> Finish conversion to sk_sp<SkShader>
>
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1803763002
>
> TBR=
>
> Committed: https://skia.googlesource.com/skia/+/15c3a0e55bd9134dace0ace2fffb855a0f09542f

TBR=
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1798133003

1 files changed, 47 insertions, 41 deletions

diff --git a/bench/GradientBench.cpp b/bench/GradientBench.cpp
index 21ebdce7ab..73014f7bae 100644
--- a/bench/GradientBench.cpp
+++ b/bench/GradientBench.cpp
@@ -47,87 +47,89 @@ static const GradData gGradData[] = {
 };
 
 /// Ignores scale
-static sk_sp<SkShader> MakeLinear(const SkPoint pts[2], const GradData& data,
-                                  SkShader::TileMode tm, float scale, bool force4f) {
+static SkShader* MakeLinear(const SkPoint pts[2], const GradData& data,
+                            SkShader::TileMode tm, float scale, bool force4f) {
     const uint32_t flags = force4f ? SkLinearGradient::kForce4fContext_PrivateFlag : 0;
-    return SkGradientShader::MakeLinear(pts, data.fColors, data.fPos,
-                                        data.fCount, tm, flags, nullptr);
+    return SkGradientShader::CreateLinear(pts, data.fColors, data.fPos,
+                                          data.fCount, tm, flags, nullptr);
 }
 
-static sk_sp<SkShader> MakeRadial(const SkPoint pts[2], const GradData& data,
-                                  SkShader::TileMode tm, float scale, bool force4f) {
+static SkShader* MakeRadial(const SkPoint pts[2], const GradData& data,
+                            SkShader::TileMode tm, float scale, bool force4f) {
     SkPoint center;
     center.set(SkScalarAve(pts[0].fX, pts[1].fX),
                SkScalarAve(pts[0].fY, pts[1].fY));
-    return SkGradientShader::MakeRadial(center, center.fX * scale, data.fColors,
-                                        data.fPos, data.fCount, tm);
+    return SkGradientShader::CreateRadial(center, center.fX * scale,
+                                          data.fColors,
+                                          data.fPos, data.fCount, tm);
 }
 
 /// Ignores scale
-static sk_sp<SkShader> MakeSweep(const SkPoint pts[2], const GradData& data,
-                                 SkShader::TileMode tm, float scale, bool force4f) {
+static SkShader* MakeSweep(const SkPoint pts[2], const GradData& data,
+                           SkShader::TileMode tm, float scale, bool force4f) {
     SkPoint center;
     center.set(SkScalarAve(pts[0].fX, pts[1].fX),
                SkScalarAve(pts[0].fY, pts[1].fY));
-    return SkGradientShader::MakeSweep(center.fX, center.fY, data.fColors, data.fPos, data.fCount);
+    return SkGradientShader::CreateSweep(center.fX, center.fY, data.fColors,
+                                         data.fPos, data.fCount);
 }
 
 /// Ignores scale
-static sk_sp<SkShader> MakeConical(const SkPoint pts[2], const GradData& data,
-                                   SkShader::TileMode tm, float scale, bool force4f) {
+static SkShader* MakeConical(const SkPoint pts[2], const GradData& data,
+                             SkShader::TileMode tm, float scale, bool force4f) {
     SkPoint center0, center1;
     center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
                 SkScalarAve(pts[0].fY, pts[1].fY));
     center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
                 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
-    return SkGradientShader::MakeTwoPointConical(center1, (pts[1].fX - pts[0].fX) / 7,
-                                                 center0, (pts[1].fX - pts[0].fX) / 2,
-                                                 data.fColors, data.fPos, data.fCount, tm);
+    return SkGradientShader::CreateTwoPointConical(center1, (pts[1].fX - pts[0].fX) / 7,
+                                                   center0, (pts[1].fX - pts[0].fX) / 2,
+                                                   data.fColors, data.fPos, data.fCount, tm);
 }
 
 /// Ignores scale
-static sk_sp<SkShader> MakeConicalZeroRad(const SkPoint pts[2], const GradData& data,
-                                          SkShader::TileMode tm, float scale, bool force4f) {
+static SkShader* MakeConicalZeroRad(const SkPoint pts[2], const GradData& data,
+                                    SkShader::TileMode tm, float scale, bool force4f) {
     SkPoint center0, center1;
     center0.set(SkScalarAve(pts[0].fX, pts[1].fX),
                 SkScalarAve(pts[0].fY, pts[1].fY));
     center1.set(SkScalarInterp(pts[0].fX, pts[1].fX, SkIntToScalar(3)/5),
                 SkScalarInterp(pts[0].fY, pts[1].fY, SkIntToScalar(1)/4));
-    return SkGradientShader::MakeTwoPointConical(center1, 0.0,
-                                                 center0, (pts[1].fX - pts[0].fX) / 2,
-                                                 data.fColors, data.fPos, data.fCount, tm);
+    return SkGradientShader::CreateTwoPointConical(center1, 0.0,
+                                                   center0, (pts[1].fX - pts[0].fX) / 2,
+                                                   data.fColors, data.fPos, data.fCount, tm);
 }
 
 /// Ignores scale
-static sk_sp<SkShader> MakeConicalOutside(const SkPoint pts[2], const GradData& data,
-                                          SkShader::TileMode tm, float scale, bool force4f) {
+static SkShader* MakeConicalOutside(const SkPoint pts[2], const GradData& data,
+                                    SkShader::TileMode tm, float scale, bool force4f) {
     SkPoint center0, center1;
     SkScalar radius0 = (pts[1].fX - pts[0].fX) / 10;
     SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
     center0.set(pts[0].fX + radius0, pts[0].fY + radius0);
     center1.set(pts[1].fX - radius1, pts[1].fY - radius1);
-    return SkGradientShader::MakeTwoPointConical(center0, radius0,
-                                                 center1, radius1,
-                                                 data.fColors, data.fPos,
-                                                 data.fCount, tm);
+    return SkGradientShader::CreateTwoPointConical(center0, radius0,
+                                                   center1, radius1,
+                                                   data.fColors, data.fPos,
+                                                   data.fCount, tm);
 }
 
 /// Ignores scale
-static sk_sp<SkShader> MakeConicalOutsideZeroRad(const SkPoint pts[2], const GradData& data,
-                                                 SkShader::TileMode tm, float scale, bool force4f) {
+static SkShader* MakeConicalOutsideZeroRad(const SkPoint pts[2], const GradData& data,
+                                           SkShader::TileMode tm, float scale, bool force4f) {
     SkPoint center0, center1;
     SkScalar radius0 = (pts[1].fX - pts[0].fX) / 10;
     SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
     center0.set(pts[0].fX + radius0, pts[0].fY + radius0);
     center1.set(pts[1].fX - radius1, pts[1].fY - radius1);
-    return SkGradientShader::MakeTwoPointConical(center0, 0.0,
-                                                 center1, radius1,
-                                                 data.fColors, data.fPos,
-                                                 data.fCount, tm);
+    return SkGradientShader::CreateTwoPointConical(center0, 0.0,
+                                                   center1, radius1,
+                                                   data.fColors, data.fPos,
+                                                   data.fCount, tm);
 }
 
-typedef sk_sp<SkShader> (*GradMaker)(const SkPoint pts[2], const GradData& data,
-                                     SkShader::TileMode tm, float scale, bool force4f);
+typedef SkShader* (*GradMaker)(const SkPoint pts[2], const GradData& data,
+                               SkShader::TileMode tm, float scale, bool force4f);
 
 static const struct {
     GradMaker   fMaker;
@@ -211,8 +213,9 @@ public:
             fName.append("_4f");
         }
 
+        SkAutoTUnref<SkShader> shader(MakeShader(gradType, data, tm, scale, force4f));
         this->setupPaint(&fPaint);
-        fPaint.setShader(MakeShader(gradType, data, tm, scale, force4f));
+        fPaint.setShader(shader);
     }
 
     GradientBench(GradType gradType, GradData data, bool dither, bool force4f = false)
@@ -226,8 +229,10 @@ public:
             fName.appendf("_dither");
         }
 
+        SkAutoTUnref<SkShader> shader(
+            MakeShader(gradType, data, SkShader::kClamp_TileMode, 1.0f, force4f));
         this->setupPaint(&fPaint);
-        fPaint.setShader(MakeShader(gradType, data, SkShader::kClamp_TileMode, 1.0f, force4f));
+        fPaint.setShader(shader);
         fPaint.setDither(dither);
     }
 
@@ -258,8 +263,8 @@ protected:
 private:
     typedef Benchmark INHERITED;
 
-    sk_sp<SkShader> MakeShader(GradType gradType, GradData data,
-                               SkShader::TileMode tm, float scale, bool force4f) {
+    SkShader* MakeShader(GradType gradType, GradData data,
+                         SkShader::TileMode tm, float scale, bool force4f) {
         const SkPoint pts[2] = {
             { 0, 0 },
             { SkIntToScalar(kSize), SkIntToScalar(kSize) }
@@ -378,9 +383,10 @@ protected:
                 SK_ColorBLACK,
                 SkColorSetARGB(alpha, gray, gray, gray),
                 SK_ColorWHITE };
-            paint.setShader(SkGradientShader::MakeLinear(pts, colors, nullptr,
+            SkShader* s = SkGradientShader::CreateLinear(pts, colors, nullptr,
                                                          SK_ARRAY_COUNT(colors),
-                                                         SkShader::kClamp_TileMode));
+                                                         SkShader::kClamp_TileMode);
+            paint.setShader(s)->unref();
             canvas->drawRect(r, paint);
         }
     }